redis and string | Mar 1, 2016
Increments the number stored at key
by one.
If the key does not exist, it is set to 0
before performing the operation.
An error is returned if the key contains a value of the wrong type or contains a
string that can not be represented as integer.
This operation is limited to 64 bit signed integers.
redis and string | Mar 1, 2016
Atomically sets key
to value
and returns the old value stored at key
.
Returns an error when key
exists but does not hold a string value.
redis and string | Mar 1, 2016
Warning: this command was renamed to GETRANGE
, it is called SUBSTR
in
Redis versions <= 2.0
.
redis and string | Mar 1, 2016
Returns the bit value at offset in the string value stored at key.
More »redis and string | Mar 1, 2016
Get the value of key
.
If the key does not exist the special value nil
is returned.
An error is returned if the value stored at key
is not a string, because GET
only handles string values.
redis and string | Mar 1, 2016
Decrements the number stored at key
by decrement
.
If the key does not exist, it is set to 0
before performing the operation.
An error is returned if the key contains a value of the wrong type or contains a
string that can not be represented as integer.
This operation is limited to 64 bit signed integers.